Description

Terephthalic acid is a kind of white crystal or powder. Soluble in alkali solution, slightly soluble in hot ethanol, insoluble in water, ethyl ether, acetic acid and chloroform. It is an important raw material for producing polyester resin, film, fiber, insulating paint and engineering plastics, mostly for the production of polybutylene terephthalate (PET), two ester is polyester fiber, film, plastic products, insulating paint and an important raw material forplastifier, also used in medicine, dyes and other products of the production. Can also be used as a chromatographic analysis reagent